Re: [Tracker] Storing Metadata with files

[Philip Van Hoof <spam pvanhoof be>]

On Mon, 2010-05-17 at 15:19 -0400, Nikolaus Rath wrote:
> Philip Van Hoof <spam-+mS4aLmNmLKG5XvV6lv2jw public gmane org> writes:
> > On Mon, 2010-05-17 at 13:26 -0400, Nikolaus Rath wrote:
> > > Hello,
> > >
> > > Is it possible to have tracker automatically read additional metadata
> > > from a second file? For example, if tracker indexes testfile.odt, I want
> > > it to automatically read metadata about testfile.odt from
> > > testfile.odt.xml (or some other suitable format).
> >
> > The format for this is called XMP. You can store a so-called sidekick
> > XMP file next to the file. Tracker will pick those up when done
> > correctly.
>
> Ah, that sounds fantastic! I like that approach much better. I guess
> that creating XMP fill will also be even easier than polling tracker
> until it has indexed a new file and then inserting the metadata into
> tracker.

Tracker uses inotify, not polling, to know about file updates.

> And it also solves my concerns about the metadata accidentally
> vanishing.

?

> There seems to be a lot of XMPs though. Are you talking about
> http://en.wikipedia.org/wiki/Extensible_Metadata_Platform?

Yes

> Does the XMP file have to have a special file name,

Read the specification, look for XMP sidekick files

http://www.adobe.com/products/xmp/

> or is the name of the described file part of the XMP data itself?

Read the specification

> Googling for "xmp tracker" or "xmp metatracker" was just as
> fruitless as searching for "xmp" on the tracker wiki, so I'm a bit
> at a loss here...


Cheers,

Philip

-- 


Philip Van Hoof
freelance software developer
Codeminded BVBA - http://codeminded.be